Bug 205915
| Summary: | knodemgrd possible recursive locking detected | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Anthony Green <green> |
| Component: | kernel | Assignee: | Dave Jones <davej> |
| Status: | CLOSED RAWHIDE | QA Contact: | Brian Brock <bbrock> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | rawhide | CC: | pfrields, vedran, wtogami |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2006-10-04 23:23:59 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 202141 | ||
*** Bug 207385 has been marked as a duplicate of this bug. *** |
Description of problem: I get the following message when I plug in a firewire audio device: Sep 9 20:09:14 berkeley kernel: ieee1394: Error parsing configrom for node 0-00:1023 Sep 9 20:09:14 berkeley kernel: Sep 9 20:09:14 berkeley kernel: ============================================= Sep 9 20:09:14 berkeley kernel: [ INFO: possible recursive locking detected ] Sep 9 20:09:14 berkeley kernel: 2.6.17-1.2630.fc6 #1 Sep 9 20:09:14 berkeley kernel: --------------------------------------------- Sep 9 20:09:14 berkeley kernel: knodemgrd_0/764 is trying to acquire lock: Sep 9 20:09:14 berkeley kernel: (&s->rwsem){..--}, at: [<e0a214f9>] nodemgr_probe_ne+0x231/0x370 [ieee1394] Sep 9 20:09:14 berkeley kernel: Sep 9 20:09:14 berkeley kernel: but task is already holding lock: Sep 9 20:09:14 berkeley kernel: (&s->rwsem){..--}, at: [<e0a21e9c>] nodemgr_host_thread+0x734/0x8bd [ieee1394] Sep 9 20:09:14 berkeley kernel: Sep 9 20:09:14 berkeley kernel: other info that might help us debug this: Sep 9 20:09:14 berkeley kernel: 1 lock held by knodemgrd_0/764: Sep 9 20:09:14 berkeley kernel: #0: (&s->rwsem){..--}, at: [<e0a21e9c>] nodemgr_host_thread+0x734/0x8bd [ieee1394] Sep 9 20:09:14 berkeley kernel: Sep 9 20:09:14 berkeley kernel: stack backtrace: Sep 9 20:09:14 berkeley kernel: [<c04051ee>] show_trace_log_lvl+0x58/0x171 Sep 9 20:09:14 berkeley kernel: [<c0405802>] show_trace+0xd/0x10 Sep 9 20:09:14 berkeley kernel: [<c040591b>] dump_stack+0x19/0x1b Sep 9 20:09:14 berkeley kernel: [<c043b915>] __lock_acquire+0x778/0x99c Sep 9 20:09:14 berkeley kernel: [<c043c0aa>] lock_acquire+0x4b/0x6d Sep 9 20:09:14 berkeley kernel: [<c04390bc>] down_read+0x2d/0x40 Sep 9 20:09:14 berkeley kernel: [<e0a214f9>] nodemgr_probe_ne+0x231/0x370 [ieee1394] Sep 9 20:09:14 berkeley kernel: [<e0a21ebb>] nodemgr_host_thread+0x753/0x8bd [ieee1394] Sep 9 20:09:14 berkeley kernel: [<c0402005>] kernel_thread_helper+0x5/0xb Sep 9 20:09:14 berkeley kernel: DWARF2 unwinder stuck at kernel_thread_helper+0x5/0xb Sep 9 20:09:14 berkeley kernel: Leftover inexact backtrace: Sep 9 20:09:14 berkeley kernel: [<c0405802>] show_trace+0xd/0x10 Sep 9 20:09:14 berkeley kernel: [<c040591b>] dump_stack+0x19/0x1b Sep 9 20:09:14 berkeley kernel: [<c043b915>] __lock_acquire+0x778/0x99c Sep 9 20:09:14 berkeley kernel: [<c043c0aa>] lock_acquire+0x4b/0x6d Sep 9 20:09:14 berkeley kernel: [<c04390bc>] down_read+0x2d/0x40 Sep 9 20:09:14 berkeley kernel: [<e0a214f9>] nodemgr_probe_ne+0x231/0x370 [ieee1394] Sep 9 20:09:14 berkeley kernel: [<e0a21ebb>] nodemgr_host_thread+0x753/0x8bd [ieee1394] Sep 9 20:09:14 berkeley kernel: [<c0402005>] kernel_thread_helper+0x5/0xb Sep 9 20:09:16 berkeley kernel: doh, someone wants to mess with state set Version-Release number of selected component (if applicable): kernel-2.6.17-1.2630.fc6 How reproducible: Steps to Reproduce: 1.Plug presonus firebox ieee1394 audio device in 2. 3. Actual results: Expected results: Additional info: